Answer:
no is not fully correct for the name part you need to put the names of the elements in the compound
Step-by-step explanation:
A circle is 360 degrees so 360 divided by 20=18 so 20 degrees is one 18th of a circle
Answer:

Step-by-step explanation:
If the given polygon is a regular polygon, its sides are equal.
This means:

Subtract
to both sides
4 = x
OR
x = 4
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>
Answer:
- 
Step-by-step explanation:
Evaluate cosπ then inverse tan, that is
cosπ = - 1
(- 1) = - 
Answer:
Step-by-step explanation:
quadratic formula
x = -(-5)+